60561475181 has 2 divisors, whose sum is σ = 60561475182. Its totient is φ = 60561475180.

The previous prime is 60561475151. The next prime is 60561475201. The reversal of 60561475181 is 18157416506.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51313575625 + 9247899556 = 226525^2 + 96166^2 .

It is a cyclic number.

It is not a de Polignac number, because 60561475181 - 2¹⁰ = 60561474157 is a prime.

It is a super-2 number, since 2×60561475181² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60561475111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30280737590 + 30280737591.

It is an arithmetic number, because the mean of its divisors is an integer number (30280737591).

Almost surely, 2^60561475181 is an apocalyptic number.

It is an amenable number.

60561475181 is a deficient number, since it is larger than the sum of its proper divisors (1).

60561475181 is an equidigital number, since it uses as much as digits as its factorization.

60561475181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 44.

The spelling of 60561475181 in words is "sixty billion, five hundred sixty-one million, four hundred seventy-five thousand, one hundred eighty-one".